diff --git a/graylog2-rest-client/src/main/java/org/graylog2/restclient/models/api/responses/system/indices/DeflectorConfigResponse.java b/graylog2-rest-client/src/main/java/org/graylog2/restclient/models/api/responses/system/indices/DeflectorConfigResponse.java
index b278ecb37e73..624fc37e2adb 100644
--- a/graylog2-rest-client/src/main/java/org/graylog2/restclient/models/api/responses/system/indices/DeflectorConfigResponse.java
+++ b/graylog2-rest-client/src/main/java/org/graylog2/restclient/models/api/responses/system/indices/DeflectorConfigResponse.java
@@ -34,7 +34,7 @@ public class DeflectorConfigResponse {
     public Period maxTimePerIndex;
 
     @JsonProperty("max_size_per_index")
-    public int maxSizePerIndex;
+    public long maxSizePerIndex;
 
     @JsonProperty("max_number_of_indices")
     public int maxNumberOfIndices;